Home / 19,509,353.78-29,254,865.69-11,314,324.81

Finding the Fourth Proportional to 19,509,353.78, 29,254,865.69 and 11,314,324.81

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Solution

The fourth proportional to 19,509,353.78, 29,254,865.69 and 11,314,324.81 is: 16,966,172.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,509,353.78 : 29,254,865.69 = 11,314,324.81 : x
  2. Step 2: Convert to fraction form
    19,509,353.78/29,254,865.69 = 11,314,324.81/x
  3. Step 3: Cross multiply
    19,509,353.78x = 29,254,865.69 × 11,314,324.81
  4. Step 4: Simplify right side
    19,509,353.78x = 330,999,052,689,584.81
  5. Step 5: Solve for x
    x = 330,999,052,689,584.81/19,509,353.78
  6. Step 6: Final answer
    x = 16,966,172.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.